﻿package phpas3{
	public function strrpos (haystack:String, needle:String, offset:int=0) {
	    // Finds position of last occurrence of a string within another string
	    //
	    // version: 1109.2015
	    // discuss at: http://phpjs.org/functions/strrpos
	    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	    // +   bugfixed by: Onno Marsman
	    // +   input by: saulius
	    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
	    // *     example 1: strrpos('Kevin van Zonneveld', 'e');
	    // *     returns 1: 16
	    // *     example 2: strrpos('somepage.com', '.', false);
	    // *     returns 2: 8
	    // *     example 3: strrpos('baa', 'a', 3);
	    // *     returns 3: false
	    // *     example 4: strrpos('baa', 'a', 2);
	    // *     returns 4: 2
	    var i = -1;
	    if (offset) {
	        i = (haystack + '').slice(offset).lastIndexOf(needle); // strrpos' offset indicates starting point of range till end,
	        // while lastIndexOf's optional 2nd argument indicates ending point of range from the beginning
	        if (i !== -1) {
	            i += offset;
	        }
	    } else {
	        i = (haystack + '').lastIndexOf(needle);
	    }
	    return i >= 0 ? i : false;
	}
}